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Patented June 27, 1950 COMBINATION SOUND AND PICTURE MECHANISM Ralph M. Like, Los Angeles, Calif., assignor to Phonovision Corporation of America, Los Angeles, Calif., a corporation of California Application November 1, 1948, Serial No. 57,768

8 Claims. (Cl. 88-162) The present invention relates to a combination sound and picture mechanism and device, and

constitutes an improvement upon my United States Letters Patent No. 2,378,416, for Combination Sound and Picture Device," issued June 19, 1945.

The present invention includes a relatively thin case having a base and side wall with a disc record of approximately the same diameter as the case overlying the open top of the case. The case is adapted to house a continuous film, the images on which have relationship to the subject of the record. The combination case, film and record is adapted to be utilized with filmmovement mechanism and means for projecting a light into the case and through the film, together with sound amplifying means and a pickup system for the record.

One of the difliculties to be overcome and which has been overcome by the present invention is the proper synchronization of the sound record with the picture record. This is particularly true where a case with its sound record is removed from a spindle and replaced by another record and film combination as the sound record and the film may be out of synchronization.

It is a feature of the present invention, and an object thereof, to provide means whereby sound on the record and the picture to be projected from the film are at all times maintained in synchronization.

The invention contemplates a case within which is a strip film, a sound record overlying the case and initially locked to said case in a definite position and not capable of being rotated relative to the case when so locked. It is intended that any number of individual cases, with accompanying records, be provided, and that such cases and records, either manually or automatically, be placed on a spindle whereby, after an initial lockdown of a case in a selected position, the accompanying record is released for rotation.

A device of the character of the present invention finds use not only in the home but in schools, churches, industry, by salesmen and others, as it is possible, with the present invention, to provide a talking moving picture affording entertainment or instruction, and providing a device which is simple of operation, low in cost, and capable of producing superior results.

As an adaptation, it is contemplated that a suitable cabinet be utilized, Whether it be portable or a console, and which cabinet in either instance is provided with a screen, upon which is 2 projected the picture. To this end, the invention includes, in addition to the case and overlying sound record, a means whereby light may be projected through the film contained within the case and onto the screen.

The problem of synchronizing sound and a picture record to be projected presents difficulties which the present invention has solved. A film gate mechanism is provided having a claw adapted to enter the perforations of the film for the purpose of intermittently moving the film. As is well known, the film must have loop portions .in order that the film will move properly past the gate when the film movement mechanism is in operation. When the strip film is of the continuous type, such as used in the present invention, unless the record and the film at all times stop at a definite position, or are capable of being brought to a definite position, the sound and the picture record may cease to be in synchronism. This is easily demonstrated. Suppose a first record with its film has completed its run on the machine and the case is removedif a second case is placed upon the machine and locked down, its record being released, the film movement mechanism in said case and the sound track of the record may not be in the same position as the film and record of the previous case. Thus, the film movement claw may move or slide against the film until it engages the perforations of the film, and in so doing, the sound on the record moves out of synchronism with the strip film.

Continuous playing of different records with different positions for the film movement claw will readily demonstrate that, after a few records have been played, the strip film within each case will gradually lose its loop, resulting in the film and the record being completely out of synchronism. The present invention overcomes this fault, with the result that the film sequence is in synchronism with the sound record, and regardless of the number of playings thereof.

With the above mentioned and other objects in view, the invention consists in the novel and useful provision, formation, construction, association, and relative arrangement of parts, members and features, all as shown in certain embodiments in the accompanying drawings, described generally, and more particularly pointed out in the claims.

In the drawings:

Figure 1 is a top plan view of a device incorporating the combination picture and sound mechanism,

Figure 2 is a side elevation of the device shown in Figure 1,

Figure 3 is an end elevation of the device shown in Figures 1 and 2,

Figure 4 is an enlarged view of Figure 1, the record being removed from its case and the tone arm being in a moved position,

Figure 5 is a plan view of the mechanism within the cabinet and utilized for the purpose of projecting an image and likewise rotating the sound record, together with re-synchronization mechanism and mechanism for controlling movement of the tone arm,

Figure 6 is a sectional view on the line 6-6 of Figure 4, and on an enlarged scale,

Figure 7 is a sectional view on the line 1-1 of Figure 6,

Figure 8 is a fragmentary sectional view, on an enlarged scale, of means for locking the record to the spindle,

Figure 9 is a fragmentary view, partly in section, taken on line 99 of Figure 4,

Figure 10 is a fragmentary sectional view on the line Ill-l of Figure 9,

Figure 11 is a vertical sectional view of certain optical elements of the invention,

Figure 12 is a plan view of mechanism utilized in re-synchronizing a picture record on strip film with its sound accompaniment,

Figure 13 is a fragmentary perspective view of mechanism for releasing the sound record from the spindle,

Figure 14 is a fragmentary perspective view of mechanism for releasing the sound record from the spindle,

Figure 15 is a fragmentary sectional view on the line l--l5 of Figure 12,

Figure 16 is a fragmentary sectional view on an enlarged scale, and taken on the line l6l6 of Figures 4 and 19,

Figure 17 is a view similar to Figure 16, certain of the parts being in moved position, the said view being taken on the line l'|-l1 of Figure 18,

Figure 18 is a view looking in the direction of the arrow l8 of Figure 17,

Figure 19 is a view looking in the direction of the arrow IQ of Figure 16,

Figure 20 is a fragmentary view, partly in section, taken on the line 20-20 of Figure 6,

Figure 21 is a fragmentary sectional view on the line 2 l2l of Figure 6,

Figure 22 is a fragmentary sectional view on the line 2222 of Figure 20,

Figure 23 is a fragmentary sectional view on the line 23-23 of Figure 21,

Figure 24 is a fragmentary sectional view on the line 2424 of Figure 21,

Figure 25 is a fragmentary sectional view on the line 25-25 of Figure 21,

Figure 26 is an enlarged detail, partly in section, of a portion of the re-synchronizing-mechanism, said view looking in the direction of the arrow 26 of Figure 5,

Figure 27 is a fragmentary, partly sectional view, on the line 2'I-2'l of Figure 26,

Figure 28 is an enlarged detail, partly in section, on the line 28--28 of Figure 26,

Figure 29 is a detail of part of the re-synchronizing mechanism shown in Figure 26, and in a moved position,

Figure 30 is a fragmentary view, partly in section, illustrating and showing the' record face andstrip film, together with claw film movement mechanism,

Figure 31 is a sectional view on the line 3 l3l of Figure 30, said figure showing the film move-' ment mechanism and a shutter,

Figure 32 is an elevation, partly in section, detailing the means for moving a claw to produce movement of strip film, the claw being in a moved position from that of Figure '30,

Figure 33 is a partially sectional view of the claw mechanism, being taken on the line 33-33 of Figure 31,

Figure 34 is a sectional detail on the line 34--34 of Figure 31,

Figure 35 is a sectional viewon the line 3535 of Figure 31,

Figure 36 is an elevation of the claw and earns for moving the claw,

Figure 3'7 is a fragmentary, perspective view of the claw,

Figure 38 is a line diagram illustrating the rela tionship between claw movement and movement of the film,

Figure 39 is a fragmentary, sectional view on the line 3939 of Figure 4,

Figure 40 is a fragmentary, sectional view of means which is utilized for balancing the sound record and its case when the record and case are placed on the spindle, this view being taken on line 4 l-4l of Figure 42, and prior to locking the case and releasing the record,

Figure 41 is a view similar to that of Figure 40, the case being locked against movement and the record being released, this view being taken on the line 4l-4I of Figure 42,

Figure 42 is a fragmentary transverse section illustrating the locking and unlocking means for the record,

Figure 43 is a fragmentary view, partly in section, and showing one of the spring links utilized in conjunction with means for releasing the record from its case,

Figure 44 is a fragmentary sectional view looking in the direction of the arrows 44-44 of Figure 42,

Figure 45 is a fragmentary, partially sectional view, similar to that of Figure 44, and showing the parts in moved relationship,

Figure 46 is a fragmentary perspective view of one of the ring members utilized in the construction shown in Figures 44 and 45, being the ring to which the link shown in Figure 43 is attached,

Figure 47 is a fragmentary, partiallysectional view of the gate end of the device,

Figure 48 is a fragmentary view taken on the line 4848 of Figure 47,

Figure 49 is a fragmentary view, taken on the line 4949 of Figure 47, the section lines being omitted,

Figure 50 is a fragmentary view, showing a portion of the strip film, the claw, and the aperture,

Figure 51 is a perspective view of the two members of the gate,

Figure 52 is a sectional view on the line 5252 of Figure 47,

Figure 53 is a sectional view on the line 53-53 of Figure 4'7, showing a micro-switch and means for actuating the same,

Figure 54 is a view similar to that of Figure 53,

the micro-switch being closed,

Figure 55 is a sectional view on the line 5555 of Figure 52, and,

Figure 56 is a wiring diagram showing circuits between the micro-switch, a relay, and the motor for rotating the record and driving the film movement mechanism.

Referring now with particularity to the drawings, I have shown in Figures 1, 2 and 3, an adaptation of the invention in a small cabinet I.

Such a type of cabinet might be portable and for use in a home or by salesmen. Carried on a spindle is the combination case 2, which includes a self-contained continuous strip film and a record. The usual tone arm 3 is provided, the needle of which engages the record groove. It is intended that the combination case 2 should be constructed so as to be removable from the spindle whereby another combination case may be placed on the spindle.

As will be set forth later, other arrangements of controls may be resorted to, although I have shown in Figure 2 a plug-in for an electric cord at 4, a remote large speaker connection at 5, a main switch control at 6, volume control I, and a starting switch in the form of a push button at 8, together with a lever 3 which, when moved from the dotted line position to the full line position of Figure 1, will swing the tone arm from, the dotted line position of Figure 1 to the full line position, or starting position, for the playing of the record, and likewise lock the case which houses the film movement mechanism against movement, and at the same time release'the record so that the spindle may rotate the same. In addition, the mechanism associated with the lever 9 re-synchronizes the sound record with the film when the lever is revolved from the full line position shown in Figure 1 to the dotted line position.

A housing or cover I overlies the prefocused incandescent bulb. A screen for receiving the projected image may be provided in the side of the cabinet, or the image may be projected through an opening in the cabinet and onto a screen, placed some distance from the cabinet, depending upon use of the invention. It is intended that the tone arm 3 should move from the inside of the record to the rim thereof. Further more, the inside of the record is provided with two or more spaced-apart spiral grooves which lead to the main groove, whereby, upon a few turns of the record, the needle is positioned in the sound groove.

The combination case 2 will first be described, reference being made to Figures 4. 6 and 9.

A case II includes a base l2 and a circular rim flange I3. The case is quite shallow and open at the top. The flange I3 is provided at its top edge with spaced, inturned segmental flanges I4 and I5. It is to be observed that there are four segmental flanges I4 and four segmental flanges I5, with the flanges I5 of greater length than I 4. The flange I3 is provided at spaced points and adjacent the segmental flanges I5, with inclined slots I6 which extend from the base I2 of the case to the top edge of the flange (see Figures 44 and 45). The slots l6 terminate adjacent the top edge of flange I3 and communicate with right-angle slots II, formed in the flanges I5 (see Figure 42) Within the case are a pair of spaced apart slides I8. These slides are channeled in cross section, conform to the curvature of the flange I3 and are of a length or are which permits them to extend between two of the segmental flanges I5 and under a flange I4, as see Figure 4. Concentric with the flange I3 is a ring |9 (Figure 6), provided with inturned flange 20. The ring I9 with it flange 20 functions to clamp or release a record 2| as, for instance, illustrated in Figures 39 and 40, wherein it will be observed that the record 2| is clamped between flanges I4 and 20, while in Figures 6 and 41, the record is shown in released position. Movement of ring I9 from slot, as shown at 22 and 23 (Figures 4 and 46).

Pins 24 and 25 extend transversely of the flange I9 through a spaced pair of the inclined slots I6 in flange I3 and likewise through the vertical or transverse slots 22 and 23 of each slide.

The pins 24 and 25 are spaced apart a distance equal to the distance between the ends of slots I6 at the base portion I2 of the case. Thus, movement of a slide 8 will move the pins 24 and 25 within the inclined slots I6, such slots acting as cams for the pins, to raise the ring I9 from the position shown in Figure 40 to the position shown in Figure 41, the pins likewise moving within the vertical or transverse slots 22 and 23 of the slide. Each slide is provided with a longitudinal slot 26 (Figure 46), and a pin 21 extends through the flange I3 and into said longitudinal slot to aid in guiding movement of the slide. The longitudinal slots 26 are of a length suflicient to permit complete movement of the pins 24 and 25 within the cam slot I6.

Means 28 actuates the slides I8 to effect raising and lowering of ring I9. The means 28 is detailed as to its several component parts in Figures 39 and 43 and said means includes a cam member 29, the cam being formed from an annulus 30 which is provided with two diametrically disposed spaced cam portions 3| and 32, with a diametric way 33 therebetween (Figures 39 and 42). The cam member 29 surrounds a revolvable member 34, said member 34 having a cylindrical side wall 35, a top 36, and a flanged base 31. Base 31 engages the annulus 39 and has a thickness equal to the thickness of the base |2 of the case. The cylindrical side wall 35 is provided with a pair of diametrically positioned transverse slots 38, which extend through the base flange 31 to a point terminating just under the top 36.

A lever 39 is secured to the member 34 by a rivet 40 and pin 4|. This lever is bent so as to have a portion 42 which overlies the top 36, a pair of leg portions 43 and 44 which substantially parallel the cylindrical wall 35, the leg 44 having a foot 45 adapted to engage the annulus 30, while the leg 43 terminates in a part 46, likewise engaging annulus 30, whereby to stabilize movement of the lever when it is turned, it being observed that the cam member 29 has a portion thereof interposed between flange 31 and the foot portion 45 and portion 46. The lever is oifset at 41 and terminates with piece 48. The lever is connected to a link 49, which link is in two parts, 59 and 5|, the parts overlying. Each part is reduced in width at a portion of its length as shown at 52, and each part is provided with a clip 53, adapted to 'embrace the other link part. Each link part is provided with an angular lug 54. A coiled spring surrounds both parts 59 and 5|, with ends of the spring engaging the lugs 54, This spring constantly resists separation between the two parts of the link or to assume the position illustrated in Figure 43, wherein it will be seen that the clips 53 engage the shoulders 56.

Link part 5| is pinned at 51 to piece 48 of the lever 39, which part 5|] is pinned at 58 to a projecting lug 59 on slide I8. The spring actuated link permits toggle movement when the lever is rotated to its extreme position, in either direction, and furthermore prevents damage through movement of or resultant upon movement of the slides I8, when the slides reach the excursion of their movement as the lever may continue to rotate slightly, which will cause tension in the spring 55. This permits the lever to lock after raising the ring I9 and which will likewise lock the lever when the ring I9 is lowered to the position of Figure 40.

The arrangement of the lever 39, the revolvable member 34, and annulus 30, is such as to properly center these members and allow a turning of the lever and member 34 without the use of a central pivot. As shown in Figures 39 and 40, I provide a stop pin at 60 for limiting rotative movement of the lever 39 in one direction. The part 46 is adapted to engage the pin when the levers are in the position shown in Figure 4. In this position, it will be observed that each lever and associated link is at a slight angularity.

An interrupted ring 6| is positioned coaxially within the case II. This ring is provided with a top flange 62, the flange formed with spaced lugs 63, and included between each lug and the base I2 are spools 64. A continuous strip film 65 is coiled around the ring 6| and supported on the spools 64, with the lower edge of said coil of film resting upon rollers 86. The rollers 66 are radial to the ring 6|, and held between members 61 and 68. which extend above the periphery of the rollers. The top flange 62 is provided at spaced points. with lugs 69 adapted to overlie the film coil and hold the same positioned on the rollers 86 and against the spools 64.

A bracket is secured to the base I2, overlies the film coil, and carries an enlarged spool 'II. which engages the inner coil of the film. A bracket I2 is secured to base I2 (external the film coil) and carries a spool 13.

A gate I4 is provided adjacent the rim I3 of the case, this gate includes a pair of plates I5 and I6 (see Figure 51). One plate acts as the trough, while the other plate 16 acts as a pressure plate, the two members of the gate are both provided with apertures I1 and I8, and with slots at I9 and 80. The slots 19 and 80 are adapted to accommodate certain of the film movement mechanism, to-wit: a claw to be hereinafter described. Both plates of the gate are provided with base flanges for the purpose of separating the plates slightly and to permit movement of the film therebetween without rubbing the film surface. The plates of the gate cooperate so that the apertures and slots are in alignment.

The flange I3 of the case is cut away at 8I (see Fi ure 47) for reasons hereinafter set forth.

For holding the gate in position, I provide a member 82 (see Figures 47, 52 and 55) which member includes a pair of spaced fingers 83 and 84 which overlie the top edges of both plates of the gate for holding the gate against vertical movement. Transverse pieces 85 and 86 are secured to the fingers. The fingers are provided with side flanges 81 and 88, the flanges having angular inturned portions 89 and 90. The flanges 81 and 88 are formed to provide bent spring fingers 9| and 92, the ends of which engage the pressure plate for urging the plate toward the trough plate. The base I2 of the case II is slotted at 93 and the said case boundary said slot is provided with returnedly bent portions 94 and 95, functioning as clips, to receive and confine the portions 89 and 90 of member 82.

The record 2I is provided on its base surfacethat is, the surface that does not have the sound groove-with an enlargement 96. That is to say, the record is annularly thickened. The record 2I is centrally provided with an angle-sided bore 91, and in the present instant said opening is triangular in form. A sprocket member 98, Figure 6, is provided with a triangular top por- 5 tion 99 adapted to fit within the triangular bore 91, the portion 99 acting as a drawing plate for the record, the record resting upon flange I00. ,A plate I 0| secures the record to the sprocket. The sprocket has a circular wall I02, a bottom flange I 03, and secured to the circular wall is an annular series of spaced pins I04. Immediately below the flange I00 and spaced therefrom is an internal annular flange I05. This construction provides an annular space I06 as between the top flange and the internal flange. Positioned on the bottom surface of flange I05, is a pair of diametrically positioned teeth or lugs I01 and I08. These lugs are adapted to co-engage with the teeth of a spindle for rotating the record, as hereinafter described.

A member I09 (Figures 4 and 7) is adapted to hold pads H0 and III adjacent the periphery of the sprocket member. Member I09 includes a frame having side pieces H2 and H3 and angular end pieces H4 and H5. The end pieces are provided with upright posts H8, H1 and I I8, the posts H6 and H8 being in alignment, while post [I1 is offset, but centered in relation to the other two posts. Extending between posts I I6 and H8 are bars II9 which carry the pads H0 and III. It will be noted that each bar II9 has flanged ends which are transversely grooved. Adapted to extend between said ends and to engage the posts II'I are bowed leaf springs I20. The pads are therefore constantly urged against the film 65 to maintain the film perforations in engagement with the sprocket pins or teeth I04. These pads flt in the space included between the upper and lower flanges I00 and I03 of the sprocket member. Each pad is provided with a circular channel or way I2I so as to accommodate the sprocket teeth or pins I04. The member I09 is secured to the base I2 by means of pins. Thus in Figure 4 the coil or roll of continuous fllm 65 is passed over the spools 64, and a length thereof is passed over the idler roller II, between the pad III and the sprocket member, the perforations of the film engaging the teeth I04, twisted, then slightly looped, passed through the gate, then between the pad H2 and the periphery of the sprocket member, twisted, then passed around the idler spool I3, th film joining the outside of the coil or roll. It is intended that film movement should be in the direction of the arrow of Figure 4. Thus, the fllm moves from the inside of the loop or coil to the outside thereof.

Directly positioned between the roll of film and member 82 is member I22, which is identical to in construction with the means 28 for actuating ring I9, save and except that said member is not provided with a lever 39 nor a connecting link 49. Otherwise, the construction is identical with the remaining elements of the means 28, and the same numbers of reference will apply thereto.

Furthermore, the pair of means 28 is spaced an unequal distance from the member I22. This allows for a proper positioning of the record case relative to the cabinet top and other mechanisms, as hereinafter set forth.

It is mentioned at this time that the strip film 65 is notched at I23, Figure 50. A switch lever engages the top edge of the film and when the switch arm falls within the film notch ,a

mlcroswitch is operated. As the means for controlling operation of the microswitch is within the case II, it will be described at this time, reference being had to Figures 53 and 54. The microswitch is shown at I24, and said switch is fastened within the cabinet which contains the mechanism for rotating the record. The microswitch has a button I25 which permits opening or closing of the switch, and said button extends through an opening I26 in the base I2 of the case II. Secured within the case and to the base I2 is a lever I21, this lever has an offset portion at I26 and a part I23 adapted to overlie the gate and the film. Both members of the gate are provided with aligned notches I30 and I3I, Figure 51, which have a depth equal to the depth of the notch I23 of the film. The part I29 is adapted to be received in said notches I30 and I3I when the notch I23 of the film is reached during film movement. Positioned immediately beneath the lever I21 is a, lever I32, and this lever has a, portion adapted to overlie the button I26. In the construction shown, the lever I21 is provided with a socket I33, which lever I32 has a bowed portion formed with a round protuberance I44 fitting within said socket I33. As shown in Figure 54, when the part I29 is riding on the top of the film and prior to reaching the notched portion I23 thereof, the lever I32 has one end raised, as shown at I35, which permits the button I25 to assume the position shown at Figure 54, at which time the microswitch is closed.

Secured within the case is a bracket I36 (see Figures 4 and 9) the upper end of which carries a pin I31. As shown in Figure 10, the enlarged portion of the record is provided with all annular series of spaced slots I38, and when the record is moved from the position of Figure 9 to that of Figure 40, the pin I31 will enter one of said slots to lock the record against rotation. The record, when locked against rotation by the pin I31 also prevents any movement of the strip film within the case, and hence, as will be pointed out hereinafter, the synchronization that exists between the record and the film is maintained.

This locking prevents unauthorized attempts to revolve the record, which would affect synchronization with the film. By way of summary, it will be seen that I have provided a case with an overlying record, which record is adapted to be clamped against movement by suitable means within the case, that the case contains a continuous strip film adapted for movement when the record is rotated, and that I provide means for stopping record rotation after the record has been played and the picture accompaniment, therefore, has ended. I have also provided a means within the case, whereby the case may be lockedto the cabinet and a gate adapted to be aligned as to its aperture with certain projection mechanism, so that the photographs on the film may have a light projected therethrough.

The cabinet I is provided with a top plate I40, and immediately therebeneath a sub-plate I4I (see Figures 6 and 9). The sub-plate is provided with a curved edge flange received between the sides I42 of the cabinet. The top plate and the sub-plate are secured together'in any convenient manner. Angled brackets I43 are attached to interior surface of the sides I42 at spaced points and said sub-plate is supported by said angled brackets by means I44. Said means constitutes a rubber button having an enlarged head I45, provided with an annular groove I46 for receiving the bifurcated end I41,

of a bracket I46 secured to the said plate. The button I45 has an axial bore through which is passed a bolt I49, the bolt passing through a bore in bracket I43. It will be noted that the bolt is headed, the head resting on the top surface of the button, while a nut is carried by the bolt for engagement with the undersurface of bracket I43. In this manner, the button resiliently supports the sub-plate. This main plate is provided with an annular flange I50 which fits within a central opening of the sub-plate.

For the purpose of driving various instrumentalities of invention, I have provided a motor I5I. This motor is illustrated in Figures 26 and 27 and is secured to the sub-plate I. The method of securing is by a vibration dampener so that vibration is not communicated to various parts of the machine as a whole and which might be audible to the listener. In fact, it is a principle and feature of the present invention that all vibrating parts have vibration dampeners. In particular, the motor I5I has its casing I52 provided with a centrally disposed and encircling flange I53. A bracket I54 surrounds the motor casing in the zone of the flange I53, the bracket being secured to the subplate in any convenient manner, such as by bolts I55. Extending between the flange I53 and the bracket are upper and lower mounts I56 and I51. The mounts I51 include a stirrup or U-shaped member I58, which is secured to the flange I53 by means of a bolt I59 passed through ends of the stirrup and the flange. A bolt I60 centrally depends from the stirrup and a rubber disc I6I is received within a bore of the bracket I54 and anchored in said bracket. Spacer washers I62 and I63 are interposed between the mount and the stirrup and between the mount and nut I64 carried on the bolt I60. The mounts I56 include a stirrup portion I65 bridging the flange I53 at the upper portion thereof and held to said flange by bolts I66. A rubber disc may be "provided for this type of mount, although one is not shown in the present instance due to the fact that the weight of the motor is carried by the mounts I51. The motor shaft I61 is passed through the front wall I68 of the motor casing and carries a pinion I 68 adapted to mesh with gear I10 mounted upon a shaft I1I.

The front wall I68 of the motor has a socket or concavity I12 and the bushed end I13 of the shaft MI is confined in the said socket. As shown, shaft I1I has portions of different diameter, so as to render assembly of the gear I10 and bushing thereon of easy accomplishment. The shaft extends through a bearing I14, which bearing is passed through an opening in cover I15 adapted to enclose pinion I69 and gear I10, the cover being secured to the wall I68 of the motor.

As shown in Figure 5, shaft I1I is made up of a series of coaxially arranged sections interconnected by means of rubber couplers I16. These couplers are of the type which includes a pair of spaced collars I11 and an interposed rubber button I18 connecting the same (see Figure 20). Couplers of this type compensate for any axial misalignment of the various shaft sections and reduce vibration. The shaft directly connects to means designated generally as I19 for rotating record 2I. This means is detailed in Figures 6 and 9.

Means I19 includes a gear box I comprising a body I8I and cover I82, the cover being prothrough which is passed a bolt I81, which bolt has one end secured to part I88 of the subplate' I4I, with the opposite end passed through the mount, the entirety being held by a nut I89 carried by the bolt. It will be noted that the portion I86 has a surrounding ring which is received and held within an opening of the arm (see Figure 22). The mount is-not unlike the rubber mount for the motor. The cover is provided with a central sleeve bearing I90 (Figure 6), which extends entirely through and beyond the body of the gearbox. This central bearing is of a sleeve type and is of reduced external diameter for a portion thereof, as shown at ISI,

and enlarged as to external diameter at I92, the

I96. This spindle has keyed thereto at I91, gear I98, which gear meshes with worm I99, mounted upon one of the shaft sections of shaft I1I. It will be observed that the side wall 200 of the bear box body is formed to confine worm I99 and that the side wall is provided with end bearing portions (see Figure 20) for the shaft section. I have shown in Figure 6 a thrust washer 20I upon which the gear I98 rests, together with a retaining ring 202 for the opposite surface of said gear and for holding the gear against vertical movement relative to the spindle I96.

The lower end of the spindle I96 is provided with a flange 203, and secured to said flange is a spider 204 (see Figure 21). This spider comprises a diametric piece secured to the flange 203 01' the spindle I96 in any convenient manner, the spider being offset at each end, as shown at 205, and bifurcated to provide portions 206 and 201. Interposed between the bifurcations of each end of the spider is a rubber disc or filter block 208, the block being confined by means 209 carried by annulus or ring 2I0 at diametric portions of said annulus. The means 209 comprises a returnedly bent member 2 spacedly overlying a portion of the annulus, and adapted to house and clamp as between the surface of said annulus and said member 2| I, the filter block 208. The filter block on its opposite surfaces is provided with circular enlargements 2I2 and 2 I3, which are fitted within bores 2I4 and 2I5 in the returnedly bent portion and the annulus, as best illustrated in Figure 24. This assures against any shifting movement of the block.

Positioned 90 degrees from the means 209 and formed in the annulus 2I0 are diametrically positioned depressed or cup portions 2 I6 and 2I1 (see Figure 6). Each depressed portion confines a filter pad 2I8.- In the present instance, the filter pads are formed of felt. Each felt pad is transversely slotted for a portion of its width, as shown at 2I9.

Positioned immediately below the ring or annulus 2I0, which shall be known hereinafter as the filter ring, is fly wheel 220. The fly wheel comprises a disc'having a concavo-convex portion 22I (Figure 6), which interconnects with a central sleeve or hub 222 and a flat disc 223 provided with a thickened annular rim 224. The disc 223 is provided with a diametrically disposed pair of vertical tongues 225 and 266 and the spacing between said tongues is such as to permit their reception within the slots 2I9 of the filter pads 2 I 8 confined in the depressed or cup portions 2I6 and 2H. Thus, the filter ring has a diameter which permits its placement within the confines of the thickened annular portion of the fly wheel (see Figures 6, 9 and 21) A spindle 221 extend through the bearing I and has one end thereof keyed at 228 to the fly wheel and specifically to the hub or sleeve portion- 222, the spindle being held therein against vertical movement in one direction by a snap ring 229. The opposite end of the spindle is provided with a. flange 230 (Figure 8). This flange has a portion which extends at substantially right angles to the axis of the spindle, as shown at 23I, and an annular portion concentric with the spindle axis, as shown at 232. The external portion of part I92 of the cover is annularly recessed, at 233, and adapted to be confined within said recess are thrust bearings 234, these thrust bearings being interposed between the cover and the spindle flange 230, with the annular flange 232 surrounding the portion I 92, as best shown in Figure 8.

The spindle flange is provided with an annular series of crown teeth 235 (Figures 6, 8 and 9). The spindle 221 continues beyond the top of the flange, as shown at 236, and this portion is diametrically slotted at 231. Furthermore, the spindle is provided with a central bore 238 extending downwardly from the spindle top for a certain distance. The spindle 'is provided with a central bore of reduced diameter 238 which communicates with bore 238, and passed through said bore is a plunger rod 240. One end of said rod carries a cap 24I, and surrounding the hub or sleeve portion 222 with one end received in said cap 24I, and the other end engaging the convex surface of part 22I,'is a coiled spring 242, which normally urges the plunger rod to move in one direction, to-wit, downwardly. The opposite end of said plunger rod is secured to what is known as a spindle cup 243. This cup has a circular side wall 244 and an end wall 245, to which end wall is secured the plunger rod 240. The outermost end of said cup is provided with a diametric piece 246, which extend beyond the periphery of said cup and is received within the diametric slot 231 of the spindle. This prevents any rotation of the spindle cup 243 relative to the spindle. The spindle cup is provided with a pair of diametrically disposed slots 241, which extend downwardly from part 246. It is also provided with a pair of elongated and diametrically disposed slots 248 disposed 90 degrees to the slots 241.

A pair of clamp dogs 249 and 250 are mounted on a pin 25I, which extends transversely between the slots 248 with the outer ends of the dogs adapted to project through the short length slots 241. Both dogs are provided with curved backs 252 for engagement with part 246, and said dogs have edge portions 253, which are adapted to engage the internal flange I05 of the sprocket 98 when the spindle cup is moved in one direction, as illustrated, for instance, in Figure 6. To complete 

